Fluoroquinolone antibiotics, Cipro, Levaquin, Avelox, etc. are broad-spectrum antibiotics used to treat a variety of infections, from urinary tract infections to anthrax and everything in between. The first quinolone created was Nalidixic Acid which was discovered by George Lesher in 1962. (Nalidixic Acid was added to the OEHHA prop 65 list of carcinogens in 1998.) Cipro (ciprofloxacin) is a second generation fluoroquinolone patented in 1983 by Bayer, Levaquin (levofloxacin) is a third generation fluroquinolone patented in 1987 by Ortho-McNeil-Janssen (a division of Johnson & Johnson), and Avelox (moxifloxacin) is a fourth generation fluoroquinolone patented in 1991 by Bayer.

Fluoroquinolone Antibiotics – Still on the Market

Of the 30 quinolones that have made it to market since the 1980s, all but 6 have either been removed from the US market or have severely restricted use.

The fluoroquinolone antibiotics that are still on the market are some of the most commonly prescribed antibiotics. Per the FDA, “Approximately 23.1 million unique patients received a dispensed prescription for an oral fluoroquinolone product from outpatient retail pharmacies during 2011,” and “Within the hospital setting, there were approximately 3.8 million unique patients billed for an injectable fluoroquinolone product during 2011.”

When used properly, such as in cases of life-threatening hospital acquired pneumonia, fluroquinolone antibiotics can save lives.

Fluoroquinolone Antibiotic Side-Effects and Adverse Reactions

When used improperly, fluoroquinolone antibiotics can needlessly cause devastating side-effects. Devastating side-effects can also occur when fluoroquinolone antibiotics are used properly, but the devastation can be justified by weighing it against the alternative – death. In 2001, Dr. Jay S. Cohen published an article on the severe and often disabling reactions some people sustained as a result of taking a fluoroquinolone antibiotic. Dr. Cohen says,

It is difficult to describe the severity of these reactions. They are devastating. Many of the people in my study were healthy before their reactions. Some were high intensity athletes. Suddenly they were disabled, in terrible pain, unable to work, walk, or sleep

Dr. Cohen’s study of 45 subjects suffering from Fluoroquinolone Toxicity Syndrome, a name that I’m pushing for, (without an official name, it is difficult get the word out) showed that they had the following symptoms:

When a fluoroquinolone antibiotic triggers a toxic reaction in a person, multiple symptoms are often experienced.

Fluoroquinolone Antibiotic Damage – Technical Aspects

Fluoroquinolones are eukaryotic DNA gyrase and topoisomerase inhibitors very similar to many antineoplastic agents (source). What this means in plain English is that these drugs work the same way as chemotherapeutic drugs; they disrupt DNA and lead to destruction of cells. A recent (2013) study conducted by a team of scientists at the Wyss Institute for Biologically Inspired Engineering at Harvard University Studies showed that Ciprofloxacin, along with a couple of other non-fluoroquinolone antibiotics, causes oxidative stress and mitochondrial malfunction. A 2011 study published in the Journal of Young Pharmacists found that, “There is significant and gradual elevation of lipid peroxide levels in patients on ciprofloxacin and levofloxacin.” They also found that “There was substantial depletion in both SOD (superoxide dismutase, “a free radical scavenging enzyme”) and glutathione levels” and that “On the 5th day of treatment, plasma antioxidant status decreased by 77.6%, 50.5% (and) 7.56% for ciprofloxacin, levofloxacin and gatifloxacin respectively.” The study also notes that administration of fluoroquinolones leads to a marked increase in the formation of Reactive Oxygen Species (ROS) and that “reactive free radicals overwhelms the antioxidant defence, lipid peroxidation of the cell membrane occurs. This causes disturbances in cell integrity leading to cell damage/death.”

How Many People are at Risk?

The exact rate of adverse reactions to fluoroquinolones is difficult to determine. Studies of adverse reactions to fluoroquinolones have noted that, “During clinical trials, the overall frequencies of adverse effects associated with (fluoroquinolones) to vary between 4.4 and 20%.” Just the fact that the spread is so large, a 15.6% spread in frequency of adverse reactions is a HUGE difference, it implies that the actual occurrence of adverse reactions is difficult to establish or unknown.

With the FDA figures above noting that 26.9 million unique patients were given fluoroquinolones in 2011, if you just take the conservative adverse reaction figure of 4.4%, you’ll get a horrifying number of people with adverse reactions in 2011 alone – 1,183,600 people. 20% of 26.9 million is 5,380,000 people adversely effected. That is scary. Those numbers are truly frightening given the severity of the adverse effects described above.

Fluoroquinolone Toxicity Syndrome

I see fluoroquinolone toxicity everywhere, and even I think that those numbers are high for severe, disabling reactions like mine where multiple symptoms develop simultaneously. Not everyone who has an adverse reaction to a fluoroquinolone has a reaction like mine, or even develops Fluoroquinolone Toxicity Syndrome. Many people have milder reactions. Milder symptoms include any one of the symptoms listed above as well as diarrhea, vomiting, mild tendinitis, decreased energy, painless muscle twitches, memory loss, urgency of urination, or any number of reactions that the body may have to a massive depletion of antioxidants and increases in lipid peroxide levels and reactive oxygen species production.

Even though severe adverse reactions to fluoroquinolones antibiotics can be painful and disabling for years, many (possibly most, but certainly not all) people recover from Fluoroquinolone Toxicity Syndrome with time. I anticipate that I will be fully recovered 2 years after my reaction started. Sadly, there are some people who don’t recover. They suffer from chronic pain, disability, impaired cognitive abilities, etc. permanently.

It is absurd, to say the least, that an acute problem, an infection, that can easily be taken care of with administration of an antibiotic that is not a fluoroquinolone, is converted into a chronic problem, a syndrome that can disable a person for years, by a prescription ANTIBIOTIC, used as prescribed. In my case, a urinary tract infection that could have likely been taken care of with macrobid or even cranberry juice and d-mannos, was treated with Cipro which left me unable to do many physical and mental tasks that I had previously been able to do with ease. It’s a crazy, absurd situation. It’s absurd and it’s wrong.

Some Antibiotics are More Dangerous than Others

The bottom line is that these popularly prescribed antibiotics are dangerous drugs that have caused thousands of people to suffer with a myriad of maladies. Undeniably, they have their place, in treating life-threatening infections. Unfortunately, they are not being reserved for use in life-threatening situations and people are being hurt after taking them for simple sinus, urinary tract, bronchial and prostate infections. A strict and rigorous protocol needs to be established to limit the damage that they cause; because it’s not right to maim and disable people to treat their sinus infections.

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About Me

Ms. Anthropy aka Ms. A (misanthropy: n. dislike or distrust of mankind)
I'm a coffee loving, brain dead wife, mother and grandmother... that stays home too much, pondering things I can't possibly fix. When my kids have a problem, I take it personally. Bringing them into this world has left me with a sense of responsibility I'm unable to ignore. Them being adults has not diminished those feelings.
I am too honest, a bit sarcastic and will criticize myself more than you will be able to do. I would appreciate you not trying.